1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keithw@vmware.com>
37 #include "main/mtypes.h"
38 #include "program/program.h"
39 #include "pipe/p_state.h"
40 #include "st_context.h"
41 #include "st_glsl_to_tgsi.h"
44 /** Fragment program variant key */
45 struct st_fp_variant_key
47 struct st_context
*st
; /**< variants are per-context */
50 GLuint bitmap
:1; /**< glBitmap variant? */
52 /** for glDrawPixels */
53 GLuint drawpixels
:1; /**< glDrawPixels variant */
54 GLuint scaleAndBias
:1; /**< glDrawPixels w/ scale and/or bias? */
55 GLuint pixelMaps
:1; /**< glDrawPixels w/ pixel lookup map? */
56 GLuint drawpixels_z
:1; /**< glDrawPixels(GL_DEPTH) */
57 GLuint drawpixels_stencil
:1; /**< glDrawPixels(GL_STENCIL) */
59 /** for ARB_color_buffer_float */
65 * Variant of a fragment program.
69 /** Parameters which generated this version of fragment program */
70 struct st_fp_variant_key key
;
72 struct pipe_shader_state tgsi
;
74 /** Driver's compiled shader */
77 /** For glBitmap variants */
78 struct gl_program_parameter_list
*parameters
;
81 /** next in linked list */
82 struct st_fp_variant
*next
;
87 * Derived from Mesa gl_fragment_program:
89 struct st_fragment_program
91 struct gl_fragment_program Base
;
92 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
94 struct st_fp_variant
*variants
;
99 /** Vertex program variant key */
100 struct st_vp_variant_key
102 struct st_context
*st
; /**< variants are per-context */
103 boolean passthrough_edgeflags
;
105 /** for ARB_color_buffer_float */
111 * This represents a vertex program, especially translated to match
112 * the inputs of a particular fragment shader.
116 /* Parameters which generated this translated version of a vertex
119 struct st_vp_variant_key key
;
122 * TGSI tokens (to later generate a 'draw' module shader for
123 * selection/feedback/rasterpos)
125 struct pipe_shader_state tgsi
;
127 /** Driver's compiled shader */
130 /** For using our private draw module (glRasterPos) */
131 struct draw_vertex_shader
*draw_shader
;
133 /** Next in linked list */
134 struct st_vp_variant
*next
;
136 /** similar to that in st_vertex_program, but with edgeflags info too */
142 * Derived from Mesa gl_fragment_program:
144 struct st_vertex_program
146 struct gl_vertex_program Base
; /**< The Mesa vertex program */
147 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
149 /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
150 GLuint input_to_index
[VERT_ATTRIB_MAX
];
151 /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
152 GLuint index_to_input
[PIPE_MAX_SHADER_INPUTS
];
155 /** Maps VARYING_SLOT_x to slot */
156 GLuint result_to_output
[VARYING_SLOT_MAX
];
157 ubyte output_semantic_name
[VARYING_SLOT_MAX
];
158 ubyte output_semantic_index
[VARYING_SLOT_MAX
];
161 /** List of translated variants of this vertex program.
163 struct st_vp_variant
*variants
;
168 /** Geometry program variant key */
169 struct st_gp_variant_key
171 struct st_context
*st
; /**< variants are per-context */
172 /* no other fields yet */
177 * Geometry program variant.
181 /* Parameters which generated this translated version of a vertex */
182 struct st_gp_variant_key key
;
186 struct st_gp_variant
*next
;
191 * Derived from Mesa gl_geometry_program:
193 struct st_geometry_program
195 struct gl_geometry_program Base
; /**< The Mesa geometry program */
196 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
198 /** map GP input back to VP output */
199 GLuint input_map
[PIPE_MAX_SHADER_INPUTS
];
201 /** maps a Mesa VARYING_SLOT_x to a packed TGSI input index */
202 GLuint input_to_index
[VARYING_SLOT_MAX
];
203 /** maps a TGSI input index back to a Mesa VARYING_SLOT_x */
204 GLuint index_to_input
[PIPE_MAX_SHADER_INPUTS
];
208 GLuint input_to_slot
[VARYING_SLOT_MAX
]; /**< Maps VARYING_SLOT_x to slot */
209 GLuint num_input_slots
;
211 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
212 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
214 struct pipe_shader_state tgsi
;
216 struct st_gp_variant
*variants
;
221 static INLINE
struct st_fragment_program
*
222 st_fragment_program( struct gl_fragment_program
*fp
)
224 return (struct st_fragment_program
*)fp
;
228 static INLINE
struct st_vertex_program
*
229 st_vertex_program( struct gl_vertex_program
*vp
)
231 return (struct st_vertex_program
*)vp
;
234 static INLINE
struct st_geometry_program
*
235 st_geometry_program( struct gl_geometry_program
*gp
)
237 return (struct st_geometry_program
*)gp
;
241 st_reference_vertprog(struct st_context
*st
,
242 struct st_vertex_program
**ptr
,
243 struct st_vertex_program
*prog
)
245 _mesa_reference_program(st
->ctx
,
246 (struct gl_program
**) ptr
,
247 (struct gl_program
*) prog
);
251 st_reference_geomprog(struct st_context
*st
,
252 struct st_geometry_program
**ptr
,
253 struct st_geometry_program
*prog
)
255 _mesa_reference_program(st
->ctx
,
256 (struct gl_program
**) ptr
,
257 (struct gl_program
*) prog
);
261 st_reference_fragprog(struct st_context
*st
,
262 struct st_fragment_program
**ptr
,
263 struct st_fragment_program
*prog
)
265 _mesa_reference_program(st
->ctx
,
266 (struct gl_program
**) ptr
,
267 (struct gl_program
*) prog
);
271 extern struct st_vp_variant
*
272 st_get_vp_variant(struct st_context
*st
,
273 struct st_vertex_program
*stvp
,
274 const struct st_vp_variant_key
*key
);
277 extern struct st_fp_variant
*
278 st_get_fp_variant(struct st_context
*st
,
279 struct st_fragment_program
*stfp
,
280 const struct st_fp_variant_key
*key
);
283 extern struct st_gp_variant
*
284 st_get_gp_variant(struct st_context
*st
,
285 struct st_geometry_program
*stgp
,
286 const struct st_gp_variant_key
*key
);
290 st_prepare_vertex_program(struct gl_context
*ctx
,
291 struct st_vertex_program
*stvp
);
294 st_prepare_fragment_program(struct gl_context
*ctx
,
295 struct st_fragment_program
*stfp
);
299 st_release_vp_variants( struct st_context
*st
,
300 struct st_vertex_program
*stvp
);
303 st_release_fp_variants( struct st_context
*st
,
304 struct st_fragment_program
*stfp
);
307 st_release_gp_variants(struct st_context
*st
,
308 struct st_geometry_program
*stgp
);
312 st_print_shaders(struct gl_context
*ctx
);
315 st_destroy_program_variants(struct st_context
*st
);
319 st_print_current_vertex_program(void);